Periodic Low-amplitude Radial Velocity Variations in the Supergiant α Persei

α Per (HD 20902) is one of the brightest F5 supergiants, located at the blue edge of the instability strip. Several studies reported ∼100 day periods in the radial velocity (RV) variations in α Per, but the reported periods and amplitudes were all different, and the origins of these periodic RV vari...

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Autores principales:	Tae-Yang Bang, Byeong-Cheol Lee, Yeon-Ho Choi, Inwoo Han, Myeong-Gu Park
Formato:	Artigo
Lenguaje:	Inglês
Publicado:	IOP Publishing 2025-01-01
Colección:	The Astrophysical Journal
Materias:	Radial velocity Supergiant stars Stellar activity Stellar oscillations Spectroscopy
Acceso en línea:	https://doi.org/10.3847/1538-4357/adcc13
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